/* Overall layout style */
    body {
      margin: 0;
      font-family: sans-serif;
      line-height: 1.6;
      background-color: #ffffff;
    }
    header, main {
      max-width: 1200px;
      margin: 0 auto;
      padding: 10px 20px;
    }
    header {
      text-align: center;
      padding: 36px 20px 22px;
    }
    h1 {
      margin-bottom: 0.5em;
      font-size:40px;
      letter-spacing: 0.02em; 
      font-family: "Trebuchet MS", "Helvetica Neue", Arial,
               "Noto Sans KR", sans-serif;
    }

    .project-logo {
      display: block;
      margin: 0 auto 18px;
      width: min(360px, 74vw);
      height: auto;
    }

    .project-title {
      margin: 0 auto 26px;
      max-width: 1080px;
      color: #111827;
      font-size: clamp(28px, 4vw, 42px);
      font-weight: 700;
      line-height: 1.18;
      letter-spacing: 0;
    }

    .author-list {
      max-width: 900px;
      margin: 0 auto 10px;
      color: #111827;
      font-family: Georgia, "Times New Roman", serif;
      font-size: clamp(18px, 2.2vw, 22px);
      line-height: 1.35;
    }

    .author-row {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      column-gap: 18px;
      row-gap: 5px;
    }

    .author-row + .author-row {
      margin-top: 2px;
    }

    .author-list span {
      white-space: nowrap;
    }

    .author-list sup,
    .affiliation-list sup {
      font-size: 0.62em;
      line-height: 0;
      vertical-align: super;
    }

    .affiliation-list {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px 28px;
      margin: 0 auto 20px;
      color: #1f2937;
      font-family: Georgia, "Times New Roman", serif;
      font-size: clamp(16px, 1.8vw, 20px);
      line-height: 1.35;
    }

    .project-links {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      margin-top: 4px;
    }

    .project-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 104px;
      padding: 8px 15px;
      border: 1px solid rgba(50, 106, 112, 0.22);
      border-radius: 999px;
      background: #f5fbfa;
      color: #24575d;
      font-size: 14px;
      font-weight: 700;
      line-height: 1;
      text-decoration: none;
      transition: background 0.16s ease, border-color 0.16s ease, color 0.16s ease, transform 0.16s ease;
    }

    .project-link:hover {
      transform: translateY(-1px);
      border-color: rgba(50, 106, 112, 0.42);
      background: #e9f5f3;
      color: #173f44;
    }

    .project-link--disabled {
      border-color: #e5e7eb;
      background: #f8fafc;
      color: #9ca3af;
      cursor: default;
    }

    .project-link--disabled:hover {
      transform: none;
      border-color: #e5e7eb;
      background: #f8fafc;
      color: #9ca3af;
    }

    h2{
      font-family: "Trebuchet MS", "Helvetica Neue", Arial,
               "Noto Sans KR", sans-serif;
      font-size:30px;
      letter-spacing: 0.02em; 
    }


    /* Overview Section */
    .overview-section {
      background-color: #fff;
      padding: 20px;
      margin-bottom: 20px;
      border-radius: 6px;
    }
    .figure-caption {
      text-align: center;
      font-size: 1.0em;
      color: #000000;
      margin-bottom: 10px;
    }

    /* Abstract Section */
    .abstract-section {
      background-color: #fff;
      padding: 20px;
      margin: 20px auto;      
      border-radius: 6px;
      max-width: 900px;      
      text-align: justify;      
    }

    .abstract-section p {
      margin: 0;
    }

    /* Video Results Section */
    .video-section {
      background-color: #fff;
      padding: 20px;
      margin-bottom: 20px;
      border-radius: 6px;
    }
    .video-section h2 {
      text-align: center;
      margin-top: 0;
    }
    .video-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 16px;
      margin-top: 16px;
    }
    .video-item {
      display: flex;
      flex-direction: column;
      align-items: center;
    }
    .video-item video {
      width: 100%;
      max-height: 260px;     
      border-radius: 8px;
      background: #000;
      object-fit: cover;                
      transition: transform 0.18s ease, box-shadow 0.18s ease;
    }

    /* .video-item:hover video {
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(15, 23, 42, 0.25);
    } */

    .video-caption {
      margin-top: 6px;
      font-size: 0.9em;
      color: #555;
      text-align: center;
    }

    /* Quantitative Results Image Section */
    .image-gallery-section {
      background-color: #fff;
      padding: 20px;
      margin-bottom: 20px;
      border-radius: 6px;
    }
    .image-gallery-section h2 {
      text-align: center;
      margin-top: 0;
    }
    .image-gallery {
      text-align: center;
    }
    .image-gallery img {
      max-width: 60%;
      height: auto;
      display: block;
      margin: 10px auto;
    }

    .citation-section {
      max-width: 900px;
      margin: 20px auto 8px;
      padding: 20px;
      background-color: #fff;
      border-radius: 6px;
    }

    .citation-section h2 {
      font-size: 30px;
      font-weight: 600;
      text-align: center;
      margin: 0 0 18px;
      padding-bottom: 8px;
      position: relative;
    }

    .citation-section h2::after {
      content: "";
      display: block;
      width: 100%;
      height: 1px;
      background-color: #1010103e;
      margin: 8px auto 0;
    }

    .bibtex-card {
      border: 1px solid #e5e7eb;
      border-radius: 8px;
      background: #f8fafc;
      overflow: hidden;
    }

    .bibtex-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      padding: 10px 12px;
      border-bottom: 1px solid #e5e7eb;
      color: #374151;
      font-size: 14px;
      font-weight: 700;
    }

    .copy-bibtex {
      border: 1px solid rgba(50, 106, 112, 0.22);
      border-radius: 999px;
      background: #fff;
      color: #24575d;
      padding: 6px 12px;
      font-size: 13px;
      font-weight: 700;
      cursor: pointer;
      transition: background 0.16s ease, border-color 0.16s ease, color 0.16s ease;
    }

    .copy-bibtex:hover {
      border-color: rgba(50, 106, 112, 0.42);
      background: #e9f5f3;
      color: #173f44;
    }

    .bibtex-card pre {
      margin: 0;
      padding: 16px;
      overflow-x: auto;
      color: #111827;
      font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
      font-size: 13px;
      line-height: 1.55;
      text-align: left;
      white-space: pre;
    }

    .footer .icon-link {
      color: #000;
      font-size: 25px;
      margin: 0 8px;
    }

    .video-controls {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 10px;
      margin-top: 8px;
    }

    .video-controls button {
      padding: 4px 10px;
      font-size: 14px;
      cursor: pointer;
    }

    .video-controls button:disabled {
      opacity: 0.4;
      cursor: default;
    }


  .video-row {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  /* Left and right arrow buttons */
  .video-arrow {
    border: none;       
    background: transparent; 
    cursor: pointer;
    font-size: 30px; 
    font-weight: 700;
    padding: 0 6px;    
    line-height: 1;
  }

.video-arrow:hover:not(:disabled) {
  transform: translateY(-1px);
  color: #111827;       
}

.video-arrow:disabled {
  opacity: 0.3;
  cursor: default;
}


  .video-arrow:hover:not(:disabled) {
    background-color: #eff4ff;
    box-shadow: 0 2px 6px rgba(15, 23, 42, 0.15);
    transform: translateY(-1px);
  }


  .video-arrow:disabled {
    opacity: 0.4;
    cursor: default;
  }

  /* Make the center grid take up more space */
  .video-grid {
    flex: 1;
  }

  /* Display below page information */
  .video-page-info {
    text-align: center;
    margin-top: 6px;
    font-size: 13px;
    color: #666;
  }

  /* Light color band background – Different colors for Video Results / DynaPlan */
  .video-section--videos {
    background-color: rgba(60, 120, 255, 0.06);
  }

  .video-section--dynaplan {
    background-color: rgba(255, 180, 80, 0.06); 
  }

  .main-title {
    display: inline-block;
    vertical-align: middle;
    font-size: 26px;
    font-weight: 500;
    letter-spacing: 0.02em;
  }

  .dec-hoi {
    color: #326A70; 
  }

  /* Section titles (Overview / Abstract / Video Results / Quantitative Results) common style + gray line below */
  .overview-section h2,
  .abstract-section h2,
  .video-section h2,
  .image-gallery-section h2 {
    font-size: 30px;
    font-weight: 600;
    text-align: center;
    margin: 0 0 18px;
    padding-bottom: 8px;
    position: relative;
  }

  /* Light gray line below h2 titles */
  .overview-section h2::after,
  .abstract-section h2::after,
  .image-gallery-section h2::after {
    content: "";
    display: block;
    width: 100%;                
    height: 1px;
    background-color: #1010103e; 
    margin: 8px auto 0;      
  }

  .contribution-section ul {
    list-style: disc;
    margin: 0;
    padding-left: 22px;
    line-height: 1.55;
  }


  .video-hand-caption {
    width: 100%;
    text-align: center; 
    font-family: "Comic Sans MS", "Bradley Hand", "Segoe Print",
                "Noto Sans KR", cursive;  
    font-size: 1.5rem;
    color: #374151;
    margin-bottom: 6px;
  }

    /* Block  */
  .scene-block {
    margin-bottom: 16px;
  }

  /* Arrange three videos horizontally within a scene */
  .scene-video-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
    margin-top: 8px;
  }

  /* Top overview video section */
  .supplementary-video-section {
    background-color: #fff;
    padding: 20px;
    margin: 10px auto 10px;
    border-radius: 6px;
    max-width: 900px;
    text-align: center;
  }

  .supplementary-video {
    position: static;
    display: block;
    width: 100%;
    max-width: 900px;
    height: auto;
    margin: 0 auto;
    border-radius: 12px;
    background: #000;
  }

  .hero-caption {
    margin-top: 8px;
    font-size: 0.9em;
    color: #555;
  }